Disclosed herein is an improved, commercially viable and industrially advantageous process for the preparation of Fesoterodine or a pharmaceutically acceptable salt thereof in high yield and purity. Disclosed also herein is an improved and industrially advantageous optical resolution method of racemic (±)-N,N-Diisopropyl-3-(2-benzyloxy-5-bromophenyl)-3-phenylpropylamine and use thereof for the preparation of Fesoterodine.
本文披露了一种改进的、商业可行的和工业上有利的制备Fesoterodine或其药用可接受盐的过程,其产率高且纯度高。本文还披露了一种改进的和工业上有利的光学分辨方法,用于制备Fesoterodine的混合对映体(±)-N,N-
二异丙基-3-(2-苄氧基-5-
溴苯基)-3-苯基
丙胺及其应用。